149

149 may refer to:


 * 149 (number), a natural number
 * AD 149, a year in the 2nd century AD
 * 149 BC, a year in the 2nd century BC
 * British Airways Flight 149, a flight from LHR to Kuwait City International Airport; the aircraft flying this flight was destroyed by Iraqi troops
 * 149 Medusa, a main-belt asteroid